Remove/install voice control system control unit - AR82.70-P-0003R

MODEL 230.4 with CODE (813) Voice control system (VCS [SBS]) 

Fig 1: Identifying Voice Control System Control Unit Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Switch off the ignition and remove the transmitter key from the EIS control unit	On vehicles with code (889) Keyless Go, press the Keyless Go start/stop button repeatedly until the ignition is switched off. Remove the Keyless Go transmitter card or transmitter key from the vehicle and store beyond the reach of the transmitter (min. 2 m).
2	Open cover (2) of stowage box (1)
3	Remove bolts (3)
4	Close cover (2) of stowage box (1)
5	Take off cover (4)	Installation:  Ensure retaining clamps (8) in the control unit bracket (7) are seated correctly.
6	Remove bolts (5)
7	Disconnect connectors (6) from voice control system control unit (A35/11)	To avoid damaging them, do not kink fiber optic cables, route over sharp edges or bend in radii smaller than 25 mm.
8	Cover fiber optic cable connector and equipment connector at voice control system control unit (A35/11)	The right connector (6) shown is a fiber optic cable connector.	AR82.95-P-0005-01A
9	Push voice control system control unit (A35/11) to the rear and remove from control unit bracket (7)
10	Install in the reverse order